Home / 12,642,217-17,446,305.72-6,840,998.80

Finding the Fourth Proportional to 12,642,217, 17,446,305.72 and 6,840,998.80

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Solution

The fourth proportional to 12,642,217, 17,446,305.72 and 6,840,998.80 is: 9,440,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,217 : 17,446,305.72 = 6,840,998.80 : x
  2. Step 2: Convert to fraction form
    12,642,217/17,446,305.72 = 6,840,998.80/x
  3. Step 3: Cross multiply
    12,642,217x = 17,446,305.72 × 6,840,998.80
  4. Step 4: Simplify right side
    12,642,217x = 119,350,156,494,953.12
  5. Step 5: Solve for x
    x = 119,350,156,494,953.12/12,642,217
  6. Step 6: Final answer
    x = 9,440,603.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.